Sofirn SC29 is a rechargeable handheld flashlight with enhanced brightness. It delivers beam shots with 3000 lumens and sheds light 142 meters away. Designed with an e-switch on the side, it fits well in your hand and allows you to make intuitive clicks. Powered by a single 21700 battery, SC29 provides you with wide bright vision for a long time. A reliable companion for everyday use. Specifications v Emitter:High-powered LED*1 v Battery Option: 121700 battery v Working Voltage: 3V-4.2V v Mode Operation: Side e-switch v USB Type-C charging v Material: AL6061-T6 aluminium alloy v Water Resistance: IP68 waterproof v Size: 29mm ( head diameter) *120.8mm (length) v Weight: 76g(without battery) v Reverse polarity protection from improper battery installation. Advanced Temperature Regulation (ATR) technology: In High or Turbo mode, flashlight heats up easily. To prevent over-heating, SC29 monitors the temperature and adjusts automatically to lower brightness levels when the temperature reaches 55 degrees. v LowVoltage Protection: The flashlight automatically turns off when the battery voltage is lower than 2.7V. Low BatteryLevel Warning: When the flashlight is powered on, it automatically drops to lower brightness levels when the battery voltage is lower than 3.2V. Red indicator flashes when it is lower than 3V, indicating that the remaining battery power is poor and to get it recharged or replaced in time. Safety Instructions SC29 is a powerful flashlight. Never stare into beam or point it directly at a person, or moving vehicles. Doing so could cause retinal damage. Please do not allow children to play with it. Strobe mode may cause seizure in persons with photosensitive epilepsy. Operating SC29 for a long time in high powered modes will quickly heat up the flashlight. This is normal. Pay close attention to the proper installation of the battery. Alwayscheck that the positive end of the battery faces the flashlight?s head. Please unscrew the light body half a turn to avoid unwanted activation during transport. It also prevents the battery from draining while the flashlight is in standby. Never leave your SC29 with its face against any surface, including skin, while in operation. Transport or store the SC29 in a way that minimizes the chance it can accidentally be turned on. The resultant heat build-up can cause a fire, burns or damage the flashlight.